add Lua traceback inspector (WIP) && add chat prototype

res/layouts/console.xml

@@ -1,5 +1,18 @@
 <container color='#00000080' size='400' size-func="unpack(gui.get_viewport())">
-    <container size-func="gui.get_viewport()[1],gui.get_viewport()[2]-40">
+    <panel interval="0"
+           orientation="horizontal"
+           color="#00000010"
+           size-func="gui.get_viewport()[1]-350,30">
+        <button id="s_chat" size="110,30" onclick="modes:set('chat')">@Chat</button>
+        <button id="s_console" size="110,30" onclick="modes:set('console')">@Console</button>
+        <button id="s_debug" size="110,30" onclick="modes:set('debug')">@Debug</button>
+    </panel>
+    <container pos="0,30" size-func="gui.get_viewport()[1]-350,30" color="#00000020">
+        <label id="title" pos="8,8"></label>
+    </container>
+    
+    <container id="logContainer" pos="0,60"
+               size-func="unpack(vec2.add(gui.get_viewport(), {0,-70}))">
         <textbox 
             id='log' 
             color='0'
@@ -11,12 +24,33 @@
             gravity="bottom-left"
         ></textbox>
     </container>
+    <container id="editorContainer" pos="0,60" color="#00000080"
+               size-func="unpack(vec2.add(gui.get_viewport(), {-350,-230}))">
+        <textbox
+            id='editor'
+            color='0'
+            autoresize='true'
+            margin='0'
+            padding='5'
+            editable='false'
+            multiline='true'
+            line-numbers='true'
+            text-color="#FFFFFFA0"
+            size-func="gui.get_viewport()[1]-350,40"
+            gravity="top-left"
+            text-wrap='false'
+            scroll-step='50'
+        ></textbox>
+    </container>
+    <panel id="traceback" gravity="bottom-left" padding="4" color="#000000A0" 
+        max-length="170" size-func="gui.get_viewport()[1]-350,170">
+    </panel>
     <panel id="problemsLog"
         color="#00000010" 
         position-func="gui.get_viewport()[1]-350,0" 
         size-func="350,gui.get_viewport()[2]-40"
         padding="5,15,5,15">
-        <label>@Problems</label>
+        <label margin="0,0,0,5">@Problems</label>
     </panel>
     <textbox id='prompt' 
              consumer='submit'